MacMall.com has dropped the price on the 27-inch iMac from $1,800 down to $1,400. Until April 30, a $100 mail-in-rebate offer drops the price even further to $1,300. That is about $200 less than the lowest price offered anywhere else. This iMac features a 2.9GHz Intel quad-core i5 processor, 8GB of RAM and a 1TB hard drive. Included is a one-year warranty on parts and labor from Apple.